A126887 a(n) = A005278(n)/2.

5, 13, 17, 25, 26, 29, 43, 50, 58, 61, 65, 67, 73, 77, 85, 86, 93, 101, 103, 109, 111, 116, 122, 130, 133, 134, 137, 145, 146, 149, 155, 163, 170, 172, 173, 181, 183, 186, 193, 197, 202, 206, 218, 233, 235, 237, 241, 245, 259, 260, 266, 267, 268, 273, 277, 281

Offset

1,1

Links

Table of n, a(n) for n=1..56.

Crossrefs

Cf. A005278.

Sequence in context: A092101 A105596 A037046 * A339952 A087445 A020882

Adjacent sequences: A126884 A126885 A126886 * A126888 A126889 A126890

Keyword

nonn

Author

Artur Jasinski, Dec 30 2006

Extensions

More terms from Amiram Eldar, Sep 05 2019

Status

approved